©2018
Rev 2.0
23
Hardware Registers
Register Name
Reg Add
Serial
Range
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
[23:16]
Set to zeros [23:16]
CONFIG_AUTO_GAIN
0x15
[7:0]
Set to zeros [7:5]
Linear mode
Auto
ctrl
amp
Load
params
Auto
Enable
[15:8]
Sign
Absolute RF level (0 - 127) dB [6:0]
[23:16]
Sign
Absolute mixer level (0 - 127) dB [6:0]
[31:24]
Sign
Absolute IF level (0 - 127) dB [6:0]
[39:32]
Set to zeros
STORE_DEFAULT_STATE
0x16
[7:0]
Set all to zeros
DEVICE_STANDBY
0x17
[7:0]
Set to zeros [7:4]
Device sections
Enable
REFERENCE_CLOCK
0x18
[7:0]
[7:4] set to zeros
PXI 10
enable
Clk 100
enable
Ref out
enable
Lock ext
REFERENCE_DAC
0x19
[7:0]
DAC WORD [7:0]
[15:8]
0
0
DAC WORD [13:8]
[23:16]
Set to zeros
FREQ_PLAN_PARAM
0x1A
[7:0]
Frequency word (Hz) [7:0]
[15:8]
Frequency word (Hz) [15:8]
[23:16]
Frequency word (Hz) [23:16]
[31:24]
Frequency word (Hz) [31:24]
[39:32]
Frequency word (Hz) [39:32]
[47:40]
Frequency word (Hz) [47:40]
[55:48]
Set to zeros [55:52]
PARAM [3:0]
SYNTH_MODE
0x1B
[7:0]
Set to zeros [7:2]
Loop Gain
SYNTH_SELF_CAL
0x1C
[7:0]
Set all to zeros
USER_EEPROM_WRITE
0x1D
[7:0]
BYTE DATA [7:0]
[15:8]
ADDRESS [7:0]
[23:8]
ADDRESS [15:8]
Register 0x01 INITIALIZE
This register initializes the devices to the default state or reprograms all the device components
with the current state parameters. Note, this register does not need to be called in order to
program the device.
Bytes written 2
Bytes read 1
Bits Type Name
Width Description
[0]
WO
Mode
1
0 = Resets the current state
1 = Resets the default to the default or startup
state
[7:1]
WO
Unused
7
Set to zeros
[7:0]
RO
Read back byte
8
Read 1 byte back is required for PXIe and RS232